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Reliability assessment and life prediction for very few failure data
Author(s): 
Pages: 1855-1859
Year: Issue:  8
Journal: Journal of Aerospace Power

Keyword:  寿命试验Weibull 分布极少失效数据整体推断可靠性评估寿命预测;
Abstract: 针对高可靠性产品寿命试验中经常出现只有极少失效数据的情况,提出一种可靠性评估和寿命预测方法.在Weibull分布形状参数下限已知的情况下,给出使用寿命和可靠度的单侧置信下限,该方法具有能将所有失效数据和未失效寿命数据进行累加的优点.文中还建立不同状态之间不完全数据的损伤等效折算公式,实现不同状态之间不完全数据的整体推断,增大了信息量,提高了预测精度.本文方法易于计算,便于工程应用.
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